Cylindrical Battery Mounting via Rotational Thread Engagement
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Solution Overview
Problem
Conventional cylindrical batteries for electric vehicles are difficult to mount compactly due to their shape and require cumbersome operations for attachment and detachment, with electrodes posing a risk of contact with other components during these processes.
Innovation Solution
A structure featuring a cylindrical battery box with recessed female terminals, a male thread on the battery's outer surface, and a handle on one end, allowing the battery to be rotated into place without a lid member, and utilizing guide grooves for secure electrical connections, enabling easy attachment and detachment while avoiding interference with other components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional cylindrical battery with electrodes on the end surface and outer peripheral surface is used, then the battery can be mounted on the vehicle, but the operation to attach or detach the battery becomes troublesome and requires attention to avoid contact of electrodes with other regions
Solution Approach 1:
The invention extracts the electrodes from the problematic positions on the end surface and outer peripheral surface, and relocates them to the bottom surface of the battery box. This extraction and relocation eliminates the risk of electrode contact with other regions during battery attachment and detachment operations, while also simplifying the mounting structure by removing the need for a lid member.
Solution Approach 2:
Instead of providing electrodes on the battery surface that require protective measures, the invention inverts the approach by providing electrodes on the battery box bottom surface. This inversion allows the battery to be simply placed into the box without concern for electrode exposure or contact, fundamentally changing the interaction between battery and mounting structure.
2Reliability
If a threaded lid member is attached after the battery is mounted on the vehicle body, then the battery can be secured, but the operation to attach or detach the battery becomes troublesome
Solution Approach 1:
The invention applies preliminary action by pre-positioning the electrodes on the battery box bottom surface before battery installation. This preliminary configuration of electrodes eliminates the need for subsequent lid attachment operations, allowing the battery to be securely mounted simply by placing it into the box, thereby improving ease of operation while maintaining reliability.
3Ease of manufacture
If the cylindrical battery has a conventional shape, then the battery can be manufactured, but the battery becomes difficult to mount compactly on the vehicle
Solution Approach 1:
The invention applies dimensionality change by moving the electrodes from the vertical/end surface dimensions to the horizontal/bottom surface dimension of the battery box. This dimensional relocation allows for more flexible spatial arrangement, enabling compact mounting of the cylindrical battery on the vehicle while maintaining ease of manufacture of the battery itself.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Facilitates easy and compact mounting of batteries, reduces the risk of electrical interference during operation, and allows for efficient use of space within the electric component box, enhancing the overall compactness and security of the battery system.
Implementation Method 1
A male thread portion is provided on an outer peripheral surface of the battery. A female thread portion to be threadedly engaged with the male thread portion is provided in an inner peripheral surface of the battery box.
Implementation Method 2
one male terminal of the pair of male terminals to be connected to the other one of the pair of female terminals has a tip configured to be capable of being pushed into the female terminal in a biased state
Implementation Method 3
A guide groove is formed in the one end surface of the battery. The guide groove can be connected to the other one of the pair of female terminals, extending in a circumferential direction around the axial center of the battery
Implementation Method 4
The battery is detachably mounted inside the battery box by being rotated inside the battery box
Data Source
AI summary
A cylindrical battery includes a pair of female terminals. One of the pair of female terminals is placed at the axial center of the battery, and provided to recede from one end surface of the battery. The other terminal is placed in a position away from the axial center, to recede from the one end surface of the battery. A male thread portion is provided on an outer peripheral surface of the battery. A handle portion is provided on another end surface of the battery. A female thread portion to be threadedly engaged with the male thread portion is provided in an inner peripheral surface of the battery box. A pair of male terminals are provided on a bottom surface of the battery box. The battery is designed to be detachably mounted inside the battery box by being rotated inside the battery box.